Fused aromatic networks as a new class of gas hydrate inhibitors
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- Fused aromatic networks as a new class of gas hydrate inhibitors
- Noh, Hyuk-Jun; Lee, Dongyoung; Go, Woojin; Choi, Gyucheol; Im, Yoon-Kwang; Mahmood, Javeed; Seo, Yongwon; Baek, Jong-Beom
- Issue Date
- Elsevier BV
- CHEMICAL ENGINEERING JOURNAL
- Fused aromatic networks (FANs) are attracting considerable interest in the scientific community because of their intriguing electronic properties and superior physiochemical stability due to their fully fused aromatic systems. Here, a three-dimensional (3D) cage-like organic network (3D-CON) and a vertical two-dimensional (2D) layered ladder structure (designated as V2D-BBL structure) were studied as materials for gas hydrate inhibitors because of their outstanding stability in high-pressure/low-temperature and periodically incorporated molecular building blocks. The V2D-BBL structure demonstrated remarkable performance, inhibiting the formation of both methane (CH4) and carbon dioxide (CO2) hydrates, comparable to conventional lactam-based polymers. It was determined that the designed perinone moiety in the V2D-BBL structure enables synergistic interactions with the host (water) and guest (CH4) molecules involved in hydrate nucleation. Given their pre-designability and inherent stability, the FANs hold enormous potential as gas hydrate inhibitors for industrial applications.
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